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[Chemical Knowledge]：Analysis of the working principle of water-cooled screw chiller

Read： 867 Time：20months ago Source：Transform the World with Simplicity

With the continuous growth of modern industrial, commercial and civil needs, how to efficiently refrigerate has become a problem of concern to many people. Water-cooled screw chillers (hereinafter referred to as water-cooled units) are one of the most widely used refrigeration equipment in the market today. So, how does the water-cooled unit work?

water-cooled unit uses a screw compressor to control the temperature inside the refrigeration equipment by using the phase change of the refrigerant. It absorbs heat from the inside of the object by evaporating heat exchange, then cools the refrigerant and sends the refrigerant to the evaporator so that it can continue to be recycled.

In a water-cooled unit, a set of screw compressors are installed in a closed casing. It controls two rotating screws, like a gear-like mechanism that compresses the refrigerant from a lower pressure to a higher pressure. The compressor is basically the core of the refrigeration cycle, and the pressure provided can reach the maximum pressure required for the refrigeration system cycle. The water cooling unit uses ammonia, freon or methane as the refrigerant, and cools the high-pressure refrigerant generated by the compressor through the compression and expansion cycle. The circulation system of the water-cooled unit is mainly composed of a reservoir, a water pump, a cooling tower, an evaporator and a control system, which are connected to the mains power supply. The entire refrigeration system is connected together to ensure that the refrigeration technology continues to work reliably. The energy control of

water-cooled unit is very important. On the one hand, it takes a lot of energy to control the temperature, on the other hand, if not controlled properly, it will increase energy consumption. Modern water-cooled units generally have advanced technology and intelligent control systems, which have outstanding performance in terms of energy saving and energy saving.

In short, water-cooled screw chillers have a wide range of applications in industrial refrigeration, commercial refrigeration and civil refrigeration. The screw compressor it uses is efficient and stable, and the intelligent control system provides a guarantee for the normal operation of the unit. This paper analyzes the working principle of water-cooled screw chiller in detail, hoping to answer the confused questions for the readers.

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